777-575-P2
Littelfuse Protection Relays, 77C Series
777-575-P2
Littelfuse Protection Relays, 77C Series
Motor Saver, 3-Ph, 480-575V, 2-800A
MFG Item Number
777-575-P2
Series
More specs
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Description
Protection Relays, 77C Series
Item #
777-575-P2
Motor Saver, 3-Ph, 480-575V, 2-800A
77C Series Information
- Network Programmable
- Programmable with 9‑volt battery prior to installation
- Automatic reset with 3 seperate restart delay timers
- RS‑485 communications port
- 3‑digit LED diagnostic display
SymCom's Model 777‑P2 is a fully programmable electronic overload relay. It is designed to monitor and protect any 3‑phase, 200‑480VAC motor drawing 2‑800 full load amps (external CTs are required above 90 amps). It provides unsurpassed protection from faulty voltage, underload and overload conditions.
The 777‑P2 incorporates a 3‑digit LED display that is used for programming, providing real‑time operational information and displaying diagnostic codes to aid in troubleshooting a fault condition.
Protects 3‑phase motors from:
- High Voltage
- Low Voltage
- Reverse‑phase
- Current unbalance
- Ground fault, Class II
Specifications
| Manufacturer Part Number | 777-575-P2 |
|---|---|
| Manufacturer | Littelfuse |
| Product Series | 77C |
| Family Series | Littelfuse Protection Relays, 77C Series |
| Description | Motor Saver, 3-Ph, 480-575V, 2-800A Full Load |
| Phase | 3 |
| Voltage | 450-649 V |
| Current Rating | 2-800 A |
| Hi Pwr (Over Vltg) Trip | Yes |
| Detection | Over Current, Phase Loss, Rapid Cycling |
| Variable Point Trip | Yes |
| Voltage Unbalance % | 2-25 % |
| Restart Delay (Sec) | 120-30,000 s |
| Manual Reset | Yes |
| Type of Display | LED Digital Display |
| Approvals | CE, CSA, UL |
| Net Weight | 1.2 lbs |
| Gross Weight | 1.2 lbs |
Added to cart
777-575-P2
Littelfuse Protection Relays, 77C Series